:root{
 --black:#17191D;--black-2:#1E2126;--black-3:#262A30;--graphite:#31363D;--smoke:#424850;
 --bg:#F1F1EF;--bg-2:#E9E9E6;--bg-3:#F7F7F5;--surface:#FFFFFF;--surface-dark:#202329;--surface-dark-2:#292D34;
 --gold:#C6A15B;--gold-2:#DEC382;--gold-soft:#F3E9D3;--wine:#7A2638;--wine-2:#96344A;--blue-gray:#65798A;--green:#66816F;
 --text:#202227;--text-2:#555B63;--text-3:#8A9097;--text-light:#F4F4F1;--text-light-2:#C8CBD0;
 --line:rgba(32,34,39,.10);--line-dark:rgba(255,255,255,.08);--line-gold:rgba(198,161,91,.32);--shadow:0 6px 24px rgba(18,20,24,.10);--shadow-dark:0 16px 40px rgba(0,0,0,.24);--radius:10px;--radius-card:14px;--radius-large:20px;--wrap:1320px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65;overflow-x:hidden}body.search-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;object-fit:cover}.wrap{width:min(var(--wrap),calc(100% - 40px));margin:auto}.brief-bar{height:30px;background:var(--black);color:var(--text-light);font-size:12px;overflow:hidden}.brief-bar .wrap{height:30px;display:flex;align-items:center;gap:22px;white-space:nowrap}.brief-bar b{color:var(--gold-2);letter-spacing:.12em}.site-header{position:sticky;top:0;z-index:50;background:rgba(241,241,239,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(16px);transition:.2s}.site-header.is-scrolled{background:rgba(255,255,255,.97);box-shadow:0 8px 30px rgba(20,22,26,.06)}.header-inner{height:68px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{border-radius:9px}.brand span{display:flex;flex-direction:column;line-height:1.15}.brand b{font-size:18px}.brand small{font-size:8px;letter-spacing:.18em;color:var(--text-3);margin-top:4px}.main-nav{display:flex;align-items:stretch;height:100%;gap:20px;margin-left:8px}.main-nav a{position:relative;display:flex;align-items:center;font-size:14px;color:var(--text-2);white-space:nowrap}.main-nav a:hover,.main-nav a.is-active{color:var(--black)}.main-nav a.is-active:after{content:"";position:absolute;bottom:0;left:25%;right:25%;height:2px;background:var(--gold)}.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px}.tool-btn,.tool-link{border:0;background:transparent;padding:8px 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24px}.hero-media{min-width:0;background:var(--black-3)}.media-figure{margin:0;position:relative;aspect-ratio:var(--ratio);height:100%;overflow:hidden;background:#d5d4cf}.media-figure img{width:100%;height:100%}.media-figure figcaption{position:absolute;left:18px;right:18px;bottom:16px;padding:10px 12px;background:rgba(23,25,29,.78);backdrop-filter:blur(8px);color:#f4f4f1;font-size:12px;border-left:2px solid var(--gold)}.hero-media .media-figure{aspect-ratio:auto;min-height:100%}.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;width:100%;margin:0 0 22px}.hero-facts div{padding:12px 0;border-top:1px solid rgba(32,34,39,.16)}.hero-facts dt{font-size:11px;color:var(--text-3)}.hero-facts dd{margin:3px 0 0;font-weight:700;font-size:13px}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:11px 16px;font-size:13px;font-weight:800;border:1px solid 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var(--line)}.rank-row{display:grid;grid-template-columns:62px minmax(0,1fr) 90px 50px 48px;gap:16px;align-items:center;padding:16px 4px;border-bottom:1px solid var(--line)}.rank-no{font-family:Georgia,serif;font-size:24px;color:var(--text-3)}.rank-no.top1{color:var(--gold)}.rank-no.top2{color:var(--gold-2)}.rank-no.top3{color:#A68A54}.rank-main a{font-weight:800}.rank-main p{margin:3px 0 0;color:var(--text-3);font-size:12px}.heat{font-family:Georgia,serif;font-size:20px}.trend{font-size:12px;color:var(--wine)}.news-stream{border-top:2px solid var(--black)}.stream-row{display:grid;grid-template-columns:76px minmax(0,1fr) 100px;gap:20px;padding:18px 14px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.42)}.stream-row.is-hot{border-left:3px solid var(--wine);background:#fff}.stream-row time{font-family:Georgia,serif;color:var(--text-3);font-size:18px}.stream-row h3{font-size:18px;margin:0 0 5px}.stream-row 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0;color:#7e632e;font-weight:800;cursor:pointer}.timeline-extra{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:12px;color:var(--text-3)}.timeline-horizontal{display:grid;grid-template-columns:repeat(6,minmax(230px,1fr));gap:16px;overflow:auto;padding-bottom:8px}.timeline-horizontal .timeline-node{display:block;padding:0;min-width:230px}.timeline-horizontal .timeline-node:before{display:none}.timeline-horizontal .node-time{margin-bottom:8px}.card-grid{display:grid;gap:16px}.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}.editor-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;min-height:230px;display:flex;flex-direction:column}.card-meta{font-size:11px;color:#85682e;font-weight:800;letter-spacing:.04em}.editor-card h3{font-family:Georgia,"Noto Serif 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var(--line-dark);padding-top:22px;margin-top:34px;color:var(--text-light-2);font-size:11px}.mobile-nav{display:none}.back-top{position:fixed;right:22px;bottom:24px;width:42px;height:42px;border:0;border-radius:50%;background:var(--black);color:#fff;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s;z-index:40}.back-top.is-visible{opacity:1;pointer-events:auto}.reveal{opacity:1;transform:none}.js .reveal{opacity:0;transform:translateY(12px);transition:.35s ease}.js .reveal.is-visible{opacity:1;transform:none}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.filter-bar button{border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:999px;cursor:pointer}.filter-bar button.is-active{border-color:var(--gold);background:var(--gold-soft)}.search-page-form{display:grid;grid-template-columns:1fr 180px auto;gap:10px;margin-bottom:24px}.search-page-form input,.search-page-form select{border:1px solid var(--line);background:#fff;border-radius:8px;padding:12px;font:inherit}.result-list{display:grid;gap:10px}.result-list article{background:#fff;border:1px solid var(--line);padding:18px;border-radius:var(--radius)}.result-list h3{margin:5px 0}.result-list p{font-size:13px;color:var(--text-2)}.pagination{display:flex;gap:6px;margin-top:18px}.pagination a{padding:7px 10px;background:#fff;border:1px solid var(--line);border-radius:6px}.service-copy{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.service-copy article{padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.service-copy h3{margin-top:0}.service-copy p{font-size:13px;color:var(--text-2)}.device-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.device-card{background:var(--surface-dark);color:var(--text-light);padding:14px;border-radius:var(--radius-card)}.device-card .media-figure{border-radius:9px;overflow:hidden}.device-card figcaption{display:none}.device-card h3{margin:12px 4px 4px}.device-card p{margin:0 4px 6px;color:var(--text-light-2);font-size:12px}.principle-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.principle-list article{border-top:2px solid var(--gold);background:#fff;padding:18px}.principle-list h3{margin:0 0 8px}.principle-list p{font-size:12px;color:var(--text-2)}.contact-form{display:grid;gap:12px;max-width:820px}.contact-form .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.notice{padding:14px 16px;border-left:3px solid var(--gold);background:#f3ead7;font-size:13px}.dark-band{background:linear-gradient(135deg,var(--black-3),var(--black));color:var(--text-light)}.dark-band .section-head{border-color:var(--line-dark)}.dark-band .section-head p{color:var(--text-light-2)}
@media(max-width:1200px){.main-nav{gap:13px}.main-nav a{font-size:13px}.header-tools .tool-link:nth-of-type(1){display:none}.week-grid{grid-template-columns:repeat(4,1fr)}.week-grid article{border-bottom:1px solid var(--line)}}
@media(max-width:1024px){.main-nav a:nth-child(4),.main-nav a:nth-child(5),.main-nav a:nth-child(8){display:none}.hero-grid{grid-template-columns:1.2fr .8fr}.hero-copy{padding:44px 34px}.cards-4{grid-template-columns:repeat(2,1fr)}.event-calendar{grid-template-columns:repeat(2,1fr)}.device-grid{grid-template-columns:repeat(2,1fr)}.principle-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.wrap{width:min(var(--wrap),calc(100% - 28px))}.main-nav{display:none}.hero-grid,.topic-card,.image-feature{grid-template-columns:1fr}.hero-media{min-height:360px}.section-head{grid-template-columns:1fr;gap:10px}.cards-3{grid-template-columns:repeat(2,1fr)}.guide-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-grid nav:last-child{grid-column:2/4}.relation-map{grid-template-columns:1fr}.link-panel{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){body{padding-bottom:62px}.brief-bar .wrap span:nth-of-type(n+2){display:none}.header-inner{height:62px}.brand small{display:none}.header-tools .tool-link{display:none}.hero{padding-top:18px}.hero-grid{display:flex;flex-direction:column}.hero-copy{order:1;padding:30px 22px}.hero-media{order:2;min-height:280px}.hero-facts{grid-template-columns:1fr 1fr}.content-section{padding:32px 0}.rank-row{grid-template-columns:44px minmax(0,1fr) 75px}.rank-row .heat,.rank-row .trend{display:none}.stream-row{grid-template-columns:58px 1fr}.stream-row>.status{grid-column:2}.cards-2,.cards-3,.verify-grid,.response-list,.people-grid,.archive-grid,.trend-bars,.event-calendar,.device-grid{grid-template-columns:1fr}.comment-grid{columns:1}.week-grid{grid-template-columns:1fr 1fr}.guide-grid{grid-template-columns:1fr}.compare-grid{grid-template-columns:1fr}.compare-arrow{transform:rotate(90deg);min-height:70px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/3}.footer-grid nav:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.mobile-nav{position:fixed;z-index:45;left:0;right:0;bottom:0;height:58px;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);padding-bottom:env(safe-area-inset-bottom)}.mobile-nav a{display:grid;place-items:center;font-size:11px;font-weight:800}.back-top{bottom:74px}.search-page-form{grid-template-columns:1fr}.contact-form .two{grid-template-columns:1fr}}
@media(max-width:600px){.wrap{width:calc(100% - 22px)}.hero h1{font-size:38px}.hero-lead{font-size:15px}.hero-facts{grid-template-columns:1fr}.hero-actions{align-items:stretch}.hero-actions .btn{flex:1}.section-head h2{font-size:30px}.rank-row{padding:13px 0}.rank-main a{font-size:14px}.stream-row{padding:14px 8px}.topic-copy{padding:22px}.topic-copy h3{font-size:23px}.week-grid{grid-template-columns:1fr}.link-panel{grid-template-columns:1fr}.service-copy,.principle-list{grid-template-columns:1fr}.relation-map article{grid-template-columns:1fr}.relation-line:before{content:"↓ ";}.search-dialog{padding:20px}.search-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-grid nav:last-child{grid-column:auto}.header-tools{gap:8px}.tool-btn{font-size:12px}}